From 7065bde6e74f5505d20019c169ad89d410b3acd0 Mon Sep 17 00:00:00 2001
From: Matteo Bernardini
Date: Mon, 11 Jan 2021 19:23:49 +0100
Subject: network/x11vnc: Patch for gcc >= 10.x.

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>
---
 network/x11vnc/gcc10.patch       | 42 ++++++++++++++++++++++++++++++++++++++++
 network/x11vnc/x11vnc.SlackBuild |  2 ++
 2 files changed, 44 insertions(+)
 create mode 100644 network/x11vnc/gcc10.patch

diff --git a/network/x11vnc/gcc10.patch b/network/x11vnc/gcc10.patch
new file mode 100644
index 0000000000..4934633860
--- /dev/null
+++ b/network/x11vnc/gcc10.patch
@@ -0,0 +1,42 @@
+From a48b0b1cd887d7f3ae67f525d7d334bd2feffe60 Mon Sep 17 00:00:00 2001
+From: Alexander Tsoy <alexander@tsoy.me>
+Date: Tue, 28 Jan 2020 22:21:01 +0300
+Subject: [PATCH] Fix build with -fno-common
+
+GCC 10 defaults to -fno-common
+---
+ src/util.c | 3 +++
+ src/util.h | 6 +++---
+ 2 files changed, 6 insertions(+), 3 deletions(-)
+
+diff --git a/src/util.c b/src/util.c
+index a82a1a4..6a52ebf 100644
+--- a/src/util.c
++++ b/src/util.c
+@@ -47,6 +47,9 @@ int hxl = 0;
+ #ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
+ MUTEX(x11Mutex);
+ MUTEX(scrollMutex);
++MUTEX(clientMutex);
++MUTEX(inputMutex);
++MUTEX(pointerMutex);
+ #endif
+ 
+ int nfix(int i, int n);
+diff --git a/src/util.h b/src/util.h
+index 35c1afd..99b5dd1 100644
+--- a/src/util.h
++++ b/src/util.h
+@@ -102,9 +102,9 @@ extern struct timeval _mysleep;
+ #ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
+ extern MUTEX(x11Mutex);
+ extern MUTEX(scrollMutex);
+-MUTEX(clientMutex);
+-MUTEX(inputMutex);
+-MUTEX(pointerMutex);
++extern MUTEX(clientMutex);
++extern MUTEX(inputMutex);
++extern MUTEX(pointerMutex);
+ #endif
+ 
+ #define X_INIT INIT_MUTEX(x11Mutex)
diff --git a/network/x11vnc/x11vnc.SlackBuild b/network/x11vnc/x11vnc.SlackBuild
index 53048bb837..c643e01d0f 100644
--- a/network/x11vnc/x11vnc.SlackBuild
+++ b/network/x11vnc/x11vnc.SlackBuild
@@ -78,6 +78,8 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
+patch -p1 < $CWD/gcc10.patch
+
 autoreconf -i
 CFLAGS="$SLKCFLAGS" \
 ./configure \
-- 
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